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Species library › Blechnum › Blechnum norfolkianum
Ferns Well documented

Blechnum norfolkianum

A robust hard fern of Norfolk Island, the Kermadecs and offshore islands of northern New Zealand, with outlying records in Vanuatu. It grows on moist banks and forest margins in a mild, humid, frost-free maritime climate, and is an easy cool-room or sheltered-garden fern.

Blechnum norfolkianum
Photo: Ewen Cameron, CC BY 4.0, via Wikimedia Commons
At home, aim for
Day IntermediateTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Humid airBand in Plantistry
Light Dappled lightDLI and PPFD in Plantistry
No rest periodGrows in the ground

Where it grows wild

Terrestrial on damp banks, stream sides and forest margins in coastal to lowland forest; in the wild it tolerates fairly open sites where moisture is reliable. Generalised from related New Zealand hard ferns.

Recorded from 10 to 1500 m, median 200 m; the higher records likely come from Vanuatu.

Norfolk IslandNew Zealand North IslandKermadec IslandsChatham IslandsVanuatu

🔒 Growing it like that

The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:

✓ Day and night temperature targets, and the limits it tolerates
✓ Humidity band, and how to hold it
✓ Light as DLI and PPFD for a grow light
✓ Wet and dry seasons, and whether to rest it
✓ Substrate and airflow
✓ A step-by-step setup to grow it like the wild

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Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app. Photo from Wikimedia Commons, used under its CC BY 4.0 licence, unmodified.